Don't use JS for navbar so much in mobile view

And fix #174

resources/views/layouts/partial/nav.blade.php

@@ -1,15 +1,12 @@
-<nav class="navbar navbar-expand-md navbar-light navbar-laravel">
+<nav class="navbar navbar-expand navbar-light navbar-laravel sticky-top">
     <div class="container">
         <a class="navbar-brand d-flex align-items-center" href="{{ url('/timeline') }}">
             <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2"><path d="M23 19a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4l2-3h6l2 3h4a2 2 0 0 1 2 2z"></path><circle cx="12" cy="13" r="4"></circle></svg>
             <strong class="font-weight-bold">{{ config('app.name', 'Laravel') }}</strong>
         </a>
-        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
-            <span class="navbar-toggler-icon"></span>
-        </button>
 
         <div class="collapse navbar-collapse" id="navbarSupportedContent">
-            <ul class="navbar-nav ml-auto">
+            <ul class="navbar-nav ml-auto d-none d-md-block">
               <form class="form-inline search-form">
                 <input class="form-control mr-sm-2 search-form-input" type="search" placeholder="Search" aria-label="Search">
               </form>
@@ -64,3 +61,8 @@
         </div>
     </div>
 </nav>
+<nav class="navbar-nav m-auto d-md-none d-flex">
+  <form class="form-inline search-form">
+   <input class="form-control mr-sm-2 search-form-input" type="search" placeholder="Search" aria-label="Search">
+  </form>
+</nav>